The horizontal fraction bar was introduced by the Arabs.
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More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.
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In 1864, the first barbiturate (barbituric acid) was synthesized.
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When intravenous medications are involved in adverse drug events, their harmful effects may occur more rapidly, and be more severe than errors with oral medications. This is due to the direct administration into the bloodstream.
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There are 60,000 miles of blood vessels in every adult human.
The Periodic Table (Part 2)
The egg cell
Labor and delivery.
Periodic table of the elements
What mass of sulfur hexafluoride, SF6, has the same number of fluorine atoms as 25.0 g of ...
The synapse and synaptic transmission. (a) A thin cleft, called the synapse, separates one cell from